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Diffstat (limited to '')
| -rw-r--r-- | include/iprt/stdint.h | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/include/iprt/stdint.h b/include/iprt/stdint.h new file mode 100644 index 00000000..3c472a76 --- /dev/null +++ b/include/iprt/stdint.h @@ -0,0 +1,287 @@ +/** @file + * IPRT - stdint.h wrapper (for backlevel compilers like MSC). + */ + +/* + * Copyright (C) 2009-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef IPRT_INCLUDED_stdint_h +#define IPRT_INCLUDED_stdint_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/cdefs.h> + + +/* + * Use the stdint.h on systems that have one. + */ +#if !(defined(RT_OS_LINUX) && defined(__KERNEL__)) \ + && !(defined(RT_OS_FREEBSD) && defined(_KERNEL)) \ + && !(defined(RT_OS_NETBSD) && defined(_KERNEL)) \ + && RT_MSC_PREREQ_EX(RT_MSC_VER_VS2010, 1 /*non-msc*/) \ + && !defined(__IBMC__) \ + && !defined(__IBMCPP__) \ + && !defined(IPRT_NO_CRT) \ + && !defined(IPRT_DONT_USE_SYSTEM_STDINT_H) \ + && !defined(DOXYGEN_RUNNING) + +# ifndef __STDC_CONSTANT_MACROS +# define __STDC_CONSTANT_MACROS +# endif +# ifndef __STDC_LIMIT_MACROS +# define __STDC_LIMIT_MACROS +# endif +# ifdef _MSC_VER +# pragma warning(push) +# pragma warning(disable:4668) +# endif +# include <stdint.h> +# ifdef _MSC_VER +# pragma warning(pop) +# endif + +# if defined(RT_OS_DARWIN) && defined(KERNEL) && defined(RT_ARCH_AMD64) + /* + * Kludge to fix the incorrect 32-bit constant macros in + * Kernel.framework/Headers/stdin.h. uint32_t and int32_t are + * int not long as these macros use, which is significant when + * targeting AMD64. (10a222) + */ +# undef INT32_C +# define INT32_C(Value) (Value) +# undef UINT32_C +# define UINT32_C(Value) (Value ## U) +# endif /* 64-bit darwin kludge. */ + +#elif defined(RT_OS_FREEBSD) && defined(_KERNEL) + +# ifndef __STDC_CONSTANT_MACROS +# define __STDC_CONSTANT_MACROS +# endif +# ifndef __STDC_LIMIT_MACROS +# define __STDC_LIMIT_MACROS +# endif +# include <sys/stdint.h> + +#elif defined(RT_OS_NETBSD) && defined(_KERNEL) + +# ifndef __STDC_CONSTANT_MACROS +# define __STDC_CONSTANT_MACROS +# endif +# ifndef __STDC_LIMIT_MACROS +# define __STDC_LIMIT_MACROS +# endif +# include <sys/stdint.h> + +#else /* No system stdint.h */ + +/* + * Define the types we use. + * The linux kernel defines all these in linux/types.h, so skip it. + */ +# if !(defined(RT_OS_LINUX) && defined(__KERNEL__)) \ + || defined(IPRT_NO_CRT) \ + || defined(IPRT_DONT_USE_SYSTEM_STDINT_H) \ + || defined(DOXGEN_RUNNING) + + /* Simplify the [u]int64_t type detection mess. */ +# undef IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES +# ifdef __IBMCPP__ +# if __IBMCPP__ < 350 && (defined(__WINDOWS__) || defined(_AIX) || defined(__OS2__)) +# define IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES +# endif +# endif +# ifdef __IBMC__ +# if __IBMC__ < 350 && (defined(__WINDOWS__) || defined(_AIX) || defined(__OS2__)) +# define IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES +# endif +# endif + + /* x-bit types */ +# if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) || defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64) +# if !defined(_INT8_T_DECLARED) && !defined(_INT8_T) +typedef signed char int8_t; +# endif +# if !defined(_UINT8_T_DECLARED) && !defined(_UINT8_T) +typedef unsigned char uint8_t; +# endif +# if !defined(_INT16_T_DECLARED) && !defined(_INT16_T) +typedef signed short int16_t; +# endif +# if !defined(_UINT16_T_DECLARED) && !defined(_UINT16_T) +typedef unsigned short uint16_t; +# endif +# if !defined(_INT32_T_DECLARED) && !defined(_INT32_T) +# if ARCH_BITS != 16 +typedef signed int int32_t; +# else +typedef signed long int32_t; +# endif +# endif +# if !defined(_UINT32_T_DECLARED) && !defined(_UINT32_T) +# if ARCH_BITS != 16 +typedef unsigned int uint32_t; +# else +typedef unsigned long uint32_t; +# endif +# endif +# if defined(_MSC_VER) +# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T) +typedef signed _int64 int64_t; +# endif +# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T) +typedef unsigned _int64 uint64_t; +# endif +# elif defined(__WATCOMC__) +# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T) +typedef signed __int64 int64_t; +# endif +# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T) +typedef unsigned __int64 uint64_t; +# endif +# elif defined(IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES) +# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T) +typedef struct { uint32_t lo; int32_t hi; } int64_t; +# endif +# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T) +typedef struct { uint32_t lo; uint32_t hi; } uint64_t; +# endif +# else /* Use long long for 64-bit types */ +# if !defined(_INT64_T_DECLARED) && !defined(_INT64_T) +typedef signed long long int64_t; +# endif +# if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T) +typedef unsigned long long uint64_t; +# endif +# endif + + /* max integer types */ +# if !defined(_INTMAX_T_DECLARED) && !defined(_INTMAX_T) +typedef int64_t intmax_t; +# endif +# if !defined(_UINTMAX_T_DECLARED) && !defined(_UINTMAX_T) +typedef uint64_t uintmax_t; +# endif + +# else +# error "PORTME: Add architecture. Don't forget to check the [U]INTx_C() and [U]INTMAX_MIN/MAX macros." +# endif + +# endif /* !linux kernel or stuff */ + + /* pointer <-> integer types */ +# if !defined(_MSC_VER) || defined(DOXYGEN_RUNNING) +# if ARCH_BITS == 32 \ + || defined(RT_OS_LINUX) \ + || defined(RT_OS_FREEBSD) +# if !defined(_INTPTR_T_DECLARED) && !defined(_INTPTR_T) +typedef signed long intptr_t; +# endif +# if !defined(_UINTPTR_T_DECLARED) && !defined(_UINTPTR_T) +typedef unsigned long uintptr_t; +# endif +# else +# if !defined(_INTPTR_T_DECLARED) && !defined(_INTPTR_T) +typedef int64_t intptr_t; +# endif +# if !defined(_UINTPTR_T_DECLARED) && !defined(_UINTPTR_T) +typedef uint64_t uintptr_t; +# endif +# endif +# endif /* !_MSC_VER */ + +#endif /* no system stdint.h */ + + +/* + * Make sure the [U]INTx_C(c) macros are present. + * For In C++ source the system stdint.h may have skipped these if it was + * included before we managed to define __STDC_CONSTANT_MACROS. (Kludge alert!) + */ +#if !defined(INT8_C) \ + || !defined(INT16_C) \ + || !defined(INT32_C) \ + || !defined(INT64_C) \ + || !defined(INTMAX_C) \ + || !defined(UINT8_C) \ + || !defined(UINT16_C) \ + || !defined(UINT32_C) \ + || !defined(UINT64_C) \ + || !defined(UINTMAX_C) +# define INT8_C(Value) (Value) +# define INT16_C(Value) (Value) +# define UINT8_C(Value) (Value) +# define UINT16_C(Value) (Value) +# if ARCH_BITS != 16 +# define INT32_C(Value) (Value) +# define UINT32_C(Value) (Value ## U) +# define INT64_C(Value) (Value ## LL) +# define UINT64_C(Value) (Value ## ULL) +# else +# define INT32_C(Value) (Value ## L) +# define UINT32_C(Value) (Value ## UL) +# define INT64_C(Value) (Value ## LL) +# define UINT64_C(Value) (Value ## ULL) +# endif +# define INTMAX_C(Value) INT64_C(Value) +# define UINTMAX_C(Value) UINT64_C(Value) +#endif + + +/* + * Make sure the INTx_MIN and [U]INTx_MAX macros are present. + * For In C++ source the system stdint.h may have skipped these if it was + * included before we managed to define __STDC_LIMIT_MACROS. (Kludge alert!) + */ +#if !defined(INT8_MIN) \ + || !defined(INT16_MIN) \ + || !defined(INT32_MIN) \ + || !defined(INT64_MIN) \ + || !defined(INT8_MAX) \ + || !defined(INT16_MAX) \ + || !defined(INT32_MAX) \ + || !defined(INT64_MAX) \ + || !defined(UINT8_MAX) \ + || !defined(UINT16_MAX) \ + || !defined(UINT32_MAX) \ + || !defined(UINT64_MAX) +# define INT8_MIN (INT8_C(-0x7f) - 1) +# define INT16_MIN (INT16_C(-0x7fff) - 1) +# define INT32_MIN (INT32_C(-0x7fffffff) - 1) +# define INT64_MIN (INT64_C(-0x7fffffffffffffff) - 1) +# define INT8_MAX INT8_C(0x7f) +# define INT16_MAX INT16_C(0x7fff) +# define INT32_MAX INT32_C(0x7fffffff) +# define INT64_MAX INT64_C(0x7fffffffffffffff) +# define UINT8_MAX UINT8_C(0xff) +# define UINT16_MAX UINT16_C(0xffff) +# define UINT32_MAX UINT32_C(0xffffffff) +# define UINT64_MAX UINT64_C(0xffffffffffffffff) + +# define INTMAX_MIN INT64_MIN +# define INTMAX_MAX INT64_MAX +# define UINTMAX_MAX UINT64_MAX +#endif + +#endif /* !IPRT_INCLUDED_stdint_h */ + |